Tyre and tubes manufacturing plant, Bead Extruder feed screws & barrel

We offer cold feed rubber extrusion screws for plain barrel type extruder and pin barrel type extruder in Vented & Non-Vented designs in 55mm, 60mm, 75mm, 90mm, 120mm, 150mm to 250mm scroll diameter size for tubes, fire-houses, profiles, tire treads, bead covering, blanks, slugs, apron-cots, fuel tubes & other technical extrusions.

India's no.1 company for rubber/elastomer industry feed screw & barrels.

Our Highly précised thread milling technology, proper nitriding procedure and fair price policy make us the most reliable screw barrel manufacturer for plastic pipe extrusion industry. 

Material: EN41B nitriding steel

Gas Nitriding: Thickness from 0.5 to 0.7 mm, hardness ~ 60-70 HRC ~ 1000 HV.

Production time: Within 4 weeks depending on the complexity of the part.
Visit page number 18 in this section to know more about rubber extrusion feed screws & barrels.

We have developed coating and bimetallic solutions for rubber processing screw barrels. Our solutions are developed by our in-house R&D team in association with world's top coatings solution providing companies. We discussed and experimented the need of rubber processing screw barrels. Our integrated bimetallic solutions are far ahead than traditional ways of welding and fatigue failure of HVOF.

Our coatings solutions are made as per the requirement of their particular elastomer processing, keeping factors in mind like internal pressure in barrel and temperature, compound nature, we developed some of the most successful coating carbides, borides, blends of superalloys to save cost of our rubber processing customers.  

First company in India to use Titanium, Boron, Chromium and Superalloy blends via integration of thermal spray techniques with automation and cost saving. 

Only company to provide Tungsten Carbide encapsulation with metallurgical bonding.

Raj engineering works presents the world's most innovative 

Bimetallic Feed Screw & Barrels

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